Ganbare Goemon (がんばれゴエモン, "Go for it, Goemon!"), known as Goemon and Mystical Ninja internationally, is a video game series created and produced by Konami. Etsunobu Ebisu is the joint producer of the franchise.

These games revolve around the main character, Goemon, and his exploits. His character is loosely based on Ishikawa Goemon, the noble thief of Japanese folklore. While the early games of emphasized Goemon as a noble thief, he eventually becomes more of a standard video game hero character. His trademarks are his blue bushy hair and weapon of choice, the kiseru. The games are set in a cartoon-like, mystical Feudal Japan, with many references to Japanese folklore. Although the series has its roots in action adventure, the Ganbare Goemon series has features from genres including role-playing, puzzle video games, and board games. Ganbare Goemon is popular in Japan. The series consists of video games, with its success spawning a wide series of merchandise and an anime and manga series.

Goemon is the protagonist of many manga based on the videogame series. There are several series, each one based on a different game. Most of the manga were illustrated by artist Hiroshi Obi and were published between 1991 and 1998 to accompany the release of each new game.

Obi died from a brain stem hemorrhage on August 3, 2014, at the age of 54.[2]